Get personalized recommendations on whether to pay debt, save, or invest based on your exact financial numbers and interest rates.
Added Nov 7, 2025
People with multiple financial obligations struggle to determine the optimal priority order for allocating their cash flow between debt payoff, emergency savings, and retirement contributions. They second-guess their decisions and lack confidence that they're making mathematically sound choices given their specific interest rates, timelines, and financial situation.
A financial optimization tool that takes user inputs (income, debts with APRs, savings balances, retirement accounts) and calculates the mathematically optimal allocation strategy. The tool runs scenario comparisons showing total interest paid, opportunity costs, and payoff timelines for different strategies, then provides clear prioritized recommendations with explanations of why each allocation maximizes their financial outcomes.
Rising interest rates on consumer debt (26%+ credit cards, 6-7% auto loans) have made allocation decisions more consequential than ever. The debt vs. investment tradeoff now has dramatically different outcomes depending on interest rate spreads, making optimization tools essential rather than nice-to-have.
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I’ll try to keep this as simple and easy to follow as I can. I’ll give where I’m leaning and why I’m leaning that way. So, I’m married and 27 with a good paying job (≈130k year) with a stay at home wife and an almost 2 year old (so I’m the sole provider). We live a comfortable life have a nice house and cars etc. I have a great 401k plan with my job where they give me 9% and put in 13% of my own contributions in (my contributions and 4.5% of theirs are Roth and the other 4.5% of theirs is pre tax). My biggest monthly bills are our home and cars ≈$2600/month and I bring home around $6200/month. We’ve gone on a couple trips the last couple of years that we’ve accumulated ≈$17,000 in CC debt around 26.99% APR. We have around $23,000 in student loans also. Here’s my dilemma. I can work OT to make an additional ≈$2000/paycheck in order to pay down our debt. However, the $17,000 CC debt is this huge shadow weighing me down. How illogical of me would it be to take a loan out of my 401k to just pay the CC debt off fully at 8.25% for 3 years and then take the OT money and put it to student loans and car loans etc? My thought is to do it. I see more benefits than harm and I still have a ton of time for my 401k to rebound before retirement. I need someone to guide me through this and make me feel better about a decision.